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Offline kimballthurlow  
#301 Posted : 21 January 2022 21:29:22(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,469
Location: Brisbane, Australia
Originally Posted by: Alsterstreek Go to Quoted Post
And another ornament.
...from Post 296


Hi Ak,
Very ingenious.
It reminds me of certain track useage in another part of the world to Germany
I have 2 rail stuff, mostly North American (era IIIa Pennsylvania, Norfolk and Western).
Using Trix C track (mostly same geometry available as Märklin C track) I have often dreamt how I would do certain arrangements.

Such as double mainline tracks into three and the reverse after a few miles to allow passing trains (very common) using slim turnouts.

Because I do not have a 2 rail layout or room for one, I have never gotten around to trying what may be possible.

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline dickinsonj  
#302 Posted : 22 January 2022 01:29:17(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,597
Location: United States
That is very cool Alsterstreek. You demonstrate that beautiful and complex track arrangements can be made with standard C track pieces. Brilliant!

At appropriate switching speeds those look very navigable to me. I will have to give those a try one of these days. ThumpUp

Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
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Offline Alsterstreek  
#303 Posted : 24 January 2022 18:53:41(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
Then a track inventory might be helpful.
2022ornament1.png
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Offline kiwiAlan  
#304 Posted : 24 January 2022 19:25:55(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 7,515
Location: ENGLAND, Didcot
Originally Posted by: Alsterstreek Go to Quoted Post
Then a track inventory might be helpful.


aye, that it would be, thanks.

Offline Alsterstreek  
#305 Posted : 05 February 2022 20:11:24(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
One idea, two crossings.

24649 crossing: The curve is a 24224. The short straight pieces are 24064.
AEBC420E-5264-4A44-AF56-329DC7B53D3D.jpeg

24640 crossing: The straight track in below configuration requires the intervention by a saw. I used the customised track piece presented in post no. 288 extended by a 24071. The curve is a 24224 which could be replaced by a 2461x turnout.
4093EF44-FBB6-4173-BD4C-35BD264839F0.jpeg
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Offline Luis Teixeira  
#306 Posted : 08 February 2022 03:31:51(UTC)
Luis Teixeira

Portugal   
Joined: 14/01/2011(UTC)
Posts: 8
Location: Portugal
Ave H,

nice to see that you are still around trains ... but thought you had switched to DDC ... >;))))

well my bad, have not been to Tante M user.net for a long time, happend to my Modelltrains and FM too ...

now I am back again, hope to start my layout this year (if the buck will clear for good) with Rocrail & a lot of trains ... but not FM that's old history.

have fun ... I do ...
the one who rarely leaves the cave ... >;)
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Offline Alsterstreek  
#307 Posted : 05 July 2022 17:05:00(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
The most compact pretzel possible:
IMG_2164.JPG
76 x 160 cm
IMG_2167.JPG
Three types of straights used.
IMG_E2165.JPG
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Offline PacoM  
#308 Posted : 17 July 2022 18:04:10(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 54
I have come across a post in stummiforum that may be of interest:
https://www.stummiforum....eometrie.html#msg2436200
You can find there a pdf to download and a couple of links.
Enjoy!
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Offline kimballthurlow  
#309 Posted : 03 September 2022 08:48:23(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,469
Location: Brisbane, Australia

The Märklin track geometry for parallel main lines has a separation of 77.5mm when using the short turnouts such as 24611/2.
The separation when using the long turnouts such as 24711/2 is 64.6mm.

The following is a basic geometrical device to progress from 77.5mm to 64.6mm between parallel tracks.
It is achieved through a 90° curve which I used quite a few times in my layout design.

The outer track starts with a 24064 piece straight.
The inner track starts from the same start perpendicular with a 24077 straight.
Page 41 of the booklet supplied with starter sets explains this.
UserPostedImage

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline fbaube  
#310 Posted : 09 November 2022 17:29:45(UTC)
fbaube

Finland   
Joined: 12/08/2020(UTC)
Posts: 13
Location: Uusimaa, Helsinki
Originally Posted by: Alsterstreek Go to Quoted Post
Excellent initiative. SCARM does not run on my Mac.
Would you consider to publish something mortals like me could admire, too?


Is this still the case ? I have the newest SCARM running OK on Wine on macOS 12.6.1

The Wine is "wine-crossover" installed by Homebrew.

B.R., fred
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Offline revmox  
#311 Posted : 12 November 2022 01:35:15(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 95
Location: Australia, East Maitland, NSW
Just a note for those C track users who create custom track sections or want to do a repair.

Digging around it seems that the C track base is made using Luran S, that explains the tiny ASA stamped on the bottom. From the web -"Luran® S acrylonitrile styrene acrylate (ASA) polymers feature high surface quality and good impact strength including enhanced colour fastness. The products deliver superior long-term performance when exposed to UV irradiation and heat and additionally provide excellent chemical resistance".

Going through the manufacturer's data it seemed that this plastic could be "welded" using methyl ethyl ketone (MEK) as a solvent - the kind of stuff used to join PVC pipes. I've put this to the test with some "clear priming fluid" from the plumbing section of the local hardware store, about 8 AUD for 250ml - enough for several lifetimes. This says it is 60-100% MEK. With a little practice it can make a VERY strong plastic bond between C track bits.

MEK is not an adhesive glue - it actually melts the plastic itself - so simple butt joints can look terrible, but if you brush a little on the underside of the track bed and then bridge the gap with some similarly brushed offcuts you can get a good joint with no trouble. About 5 minutes to cure/set/dry.

According to some posts from the LGB types, it can also be used for repairs to rolling stock where conventional adhesives have been found unreliable. But it is deadly stuff and great care would be needed - one fingerprint could ruin a prized item.

4440.jpg

BASF Luran S.pdf (1,738kb) downloaded 12 time(s).
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Offline dickinsonj  
#312 Posted : 12 November 2022 01:53:17(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,597
Location: United States
Good information. Can you share some images of your joins?
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 1 user liked this useful post by dickinsonj
Offline revmox  
#313 Posted : 12 November 2022 04:42:24(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 95
Location: Australia, East Maitland, NSW
Hi Jim,

I only took pictures during the first trial. I went to the trouble the first time of cutting the joining bits to include rails for extra strength - it is not necessary and a lot of extra work.

Also tried it on my prototype 3D printed pucko cleaner ...

As before, I'll caution everyone to have a practice run or two first - the MEK is a very thin, runny fluid.

Cheers!

PXL_20221112_031802411.jpg
PXL_20221112_032209784.jpg
PXL_20221112_032221012.jpg
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Offline Alsterstreek  
#314 Posted : 12 November 2022 17:09:06(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
For the less audacious ones among us, who might have accidentally removed their fingerprints when experimenting with aggressive two-component glues - hot glue:

83D870F2-709A-4CD6-B803-905A89123F92.jpegE71FDAD2-2D01-4F2E-B329-DB51F6725836.jpeg
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Offline dickinsonj  
#315 Posted : 13 November 2022 00:39:29(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,597
Location: United States
See Below
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
Offline dickinsonj  
#316 Posted : 13 November 2022 00:45:07(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,597
Location: United States
Originally Posted by: Alsterstreek Go to Quoted Post
For the less audacious ones among us.. hot glue

Looks great.

I will have to reconsider rolling my own C track pieces. I always thought they would look to hacked up but the results that you and @revmox got look really professional.

Great inspiration.
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 3 users liked this useful post by dickinsonj
Offline Alsterstreek  
#317 Posted : 03 December 2022 19:04:46(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
Further to post #307 on the 76 x 160 cm pretzel...

76 x 170 cm: How to enter the circle of trust with standard track segments.

8-2a.jpg4C99110B-DF8F-44E6-B4EE-CAA4197990AA.jpeg

76 x 180 cm: How to enter the circle of trust with a custom-cut 100 mm long straight segment (the latter being shown in post #314).

8-2p1.pngC69C383D-96B3-4FA5-99A8-62D7370C4E4C.jpeg
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Offline Alsterstreek  
#318 Posted : 03 December 2022 20:39:17(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
By-catch: 2471x + 24071 + 24071 + 24077 + 24064 + 24064 + 24064 + 24206 + 24206 + 24649 + 24649
8FC143AB-D953-47D5-8CF7-ECE532B02BB6.jpeg
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Offline Alsterstreek  
#319 Posted : 24 December 2022 16:07:16(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
Entering the circle of trust cont' on 85 x 195 cm.
CoT2022.jpgIMG_3080 Kopie.jpg

Edited by user 24 December 2022 19:45:57(UTC)  | Reason: Not specified

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Offline Alsterstreek  
#320 Posted : 31 December 2022 17:02:07(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
Not without my slim Hosenträger: How to shorten a 24288 straight for this purpose (in the absence of a matching segment in the C track inventory)?
BCD731B9-C164-4097-A234-DDF7A8515B7E.jpeg
The rails are left intact, while the excess roadbed lenght is cut out in the middle; thereafter, the excess rail lengths are removed at one end. This adds strenght and avoids bumps for trains running over the rails.
4BF2E402-C851-4C5B-88FA-019C24E1B230.jpeg
For comparison: an untouched 24188 on top and a shortened one below.
7DB93F83-BFA4-4D6C-8A08-F190A821B30E.jpeg
Voilà, the missing link in place.
7A0C58C1-F98F-4672-BD97-76BB8370E5B3.jpeg95404B2B-3F8B-4634-A04D-BAC3350BF7B0.jpeg
I use a manual metal saw with a straight blade for the operation. Eventually, I fill the underbody with hot glue and solder feeder cables to connect the spades at each end (as shown for a previous example in post #315 above)
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Offline kiwiAlan  
#321 Posted : 31 December 2022 19:53:59(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 7,515
Location: ENGLAND, Didcot
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...

Shortening C-track.docx (6,691kb) downloaded 67 time(s).

It gives a very good step by step set of instructions for shortening C track.

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Offline hvc  
#322 Posted : 04 March 2023 01:47:13(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 407
Location: Melbourne, VIC, Australia
Further to this recent post:

R3 24772 geometry problem

Here's a curved 3 track into 4 track throat with an R5 curve easement on all tracks - so the R5s can be replaced with something smaller as well of course.

Note that standard track geometry is maintained at both ends...

Screen Shot 2023-03-04 at 11.29.08 am.jpg

Herman
- Herman
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Offline Mark5  
#323 Posted : 05 March 2023 06:18:12(UTC)
Mark5

Canada   
Joined: 29/01/2012(UTC)
Posts: 1,354
Location: Montreal, Canada
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...


DB DR FS NS SNCF c. 1955-65, fan of station architecture esp. from 1920-70.
Email or PM anytime or then we chat live here: https://discord.gg/jAEKyTWQPQ
Offline kiwiAlan  
#324 Posted : 05 March 2023 15:11:33(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 7,515
Location: ENGLAND, Didcot
Originally Posted by: Mark5 Go to Quoted Post
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...




It is on groups.io now.
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Offline Mark5  
#325 Posted : 06 March 2023 05:39:04(UTC)
Mark5

Canada   
Joined: 29/01/2012(UTC)
Posts: 1,354
Location: Montreal, Canada
Thank you Alan,
I then looked it up and there it is....
https://groups.io/g/marklinbandg

Cheers
Enjoy,
Mark

Originally Posted by: kiwiAlan Go to Quoted Post
Originally Posted by: Mark5 Go to Quoted Post
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...




It is on groups.io now.


DB DR FS NS SNCF c. 1955-65, fan of station architecture esp. from 1920-70.
Email or PM anytime or then we chat live here: https://discord.gg/jAEKyTWQPQ
Offline Alsterstreek  
#326 Posted : 08 March 2023 15:12:18(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
Back on track - something very geometric.
wye2023ht.jpg
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Offline PacoM  
#327 Posted : 09 March 2023 22:04:33(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 54
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep, with an elegant (I think) access from the left. Firstly, with the building and trees on the left part, I try to hide the sharp 90º curve, so that a train is well seen only at the moment of entering the station tracks. Secondly, a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg
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Offline kimballthurlow  
#328 Posted : 09 March 2023 23:35:29(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,469
Location: Brisbane, Australia
Originally Posted by: PacoM Go to Quoted Post
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep........ a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg


Hello Francisco,

That certainly is an elegant use of the C track.
It is a good design for a small station.
I love the potential for holding two trains, with interesting train movements including shunting.

A branchline terminus could easily use this same plan, with the end tracks to the right.
Brilliant!

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline hvc  
#329 Posted : 10 March 2023 04:12:30(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 407
Location: Melbourne, VIC, Australia
Originally Posted by: PacoM Go to Quoted Post
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep, with an elegant (I think) access from the left. Firstly, with the building and trees on the left part, I try to hide the sharp 90º curve, so that a train is well seen only at the moment of entering the station tracks. Secondly, a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg


Very nice! Although unless you are planning to cut track, missing a couple of 24071 for the wide radius turnout?

Herman
- Herman
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Offline hvc  
#330 Posted : 10 March 2023 04:52:53(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 407
Location: Melbourne, VIC, Australia
Originally Posted by: Alsterstreek Go to Quoted Post
Back on track - something very geometric.
wye2023ht.jpg


Lovely!

For your consideration, then, the schlanke version (if you will forgive the 24206):

Untitled.jpg
- Herman
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Offline PacoM  
#331 Posted : 10 March 2023 10:14:27(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 54
Good morning and thanks for your appreciations.
Kimball, the former design was a small terminal station indeed, that permitted bringing the locomotive to the other end of the consist. Then I decided to continue the layout with a shadow station and that has been the result.
You are completely right, Herman, I forgot to tell. I have posted the plan actually implemented, in order to use two parallel 24912 (radius 1114,6mm), visually more convincing for the platform, although that implied some side cutting of the pieces following the “schlanke” turnout 24711. Here is a solution using the orthodox 24071s.
Regards
Francisco

Estacion de paso 40 cm -2.jpg
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Offline hvc  
#332 Posted : 10 March 2023 12:18:43(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 407
Location: Melbourne, VIC, Australia
Here's the Märlklin standard way to use R3 curved turnouts:

R3standard.jpg

but we can remove one of the 24315 tracks between the turnouts and add R9 easements, making a much more pleasing turn, at the cost of only 10cm of extra width

R3easement.jpg

still maintaining standard geometry and track spacing at each end.

- Herman
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Offline Alsterstreek  
#333 Posted : 10 March 2023 12:24:52(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,438
Location: Hybrid Home
In the past I used to say: "Never without my 24206 !"

Nowadays I add: "And never ever without my 24912 !"

BigGrin
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Offline mbarreto  
#334 Posted : 10 March 2023 14:09:36(UTC)
mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,122

What I am going to write is nothing new, but I like it:
It is a good thing that the normal turnout (24611/2) angle is about the double that of the long turnouts (24711/2).
Then we have 2 x 24912 + 24206 approximately 30 degrees, and of course the angles of 2x 24912 and of 24224 are basically a match!

Regards,
Miguel




Mostly Märklin H0.


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Offline PacoM  
#335 Posted : 10 March 2023 22:20:14(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 54
I agree with both of you completely.
You can see in the picture attached a view, from the central platform, of the left part of the station and the platform between the two 24912.
Regards
Francisco

Rincon desde estacion.jpg

And now a more conventional view

Estacion Sur.jpg

Edited by user 11 March 2023 18:40:49(UTC)  | Reason: Insertion of another picture

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Offline hvc  
#336 Posted : 11 March 2023 01:38:08(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 407
Location: Melbourne, VIC, Australia
Originally Posted by: mbarreto Go to Quoted Post

What I am going to write is nothing new, but I like it:
It is a good thing that the normal turnout (24611/2) angle is about the double that of the long turnouts (24711/2).
Then we have 2 x 24912 + 24206 approximately 30 degrees, and of course the angles of 2x 24912 and of 24224 are basically a match!

Regards,
Miguel



Indeed! And mixing them you can produce closer track spacing. Alsterstreek is the master of this, but a simple example of close spacing using (24611/2) = 2*(24711/2), starting from standard geometry:

Screen Shot 2023-03-11 at 11.02.25 am.jpg

or

Screen Shot 2023-03-11 at 11.30.13 am.jpg

- Herman
- Herman
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